#!/bin/sh

# Slackware build script for vnstat

# Copyright 2007 Michiel van Wessem (http://michielvwessem.wordpress.com)
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=vnstat
VERSION=${VERSION:-1.7}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar -xzvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Exit on most errors.
set -e

# vnstat doesn't have a proper configure. So we set the locations in the 
# Makefiles properly by the way of sed-fu
sed -i 's#MAN = $(DESTDIR)/usr/share/man#MAN = $(DESTDIR)/usr/man#' \
  $TMP/$PRGNAM-$VERSION/Makefile
sed -i "s#CRON = \$(DESTDIR)/etc/cron.d#CRON = \$(DESTDIR)/usr/doc/$PRGNAM-$VERSION/scripts#" \
  $TMP/$PRGNAM-$VERSION/Makefile
sed -i 's#install -m 644 cfg/vnstat.conf $(DESTDIR)/etc;#install -D -m 644 cfg/vnstat.conf $(DESTDIR)/etc/vnstat.conf.new;#' \
  $TMP/$PRGNAM-$VERSION/Makefile

# Set the compile flags in the src/Makefile properly
if [ "$ARCH" = "i486" ]; then
    sed -i 's#FLAGS = -O2#FLAGS = -O2 -march=i486 -mtune=i686#' \
      $TMP/$PRGNAM-$VERSION/src/Makefile
elif [ "$ARCH" = "i686" ]; then
    sed -i 's#FLAGS = -O2#FLAGS = -O2 -march=i686 -mtune=i686#' \
      $TMP/$PRGNAM-$VERSION/src/Makefile
fi

make
make install DESTDIR=$PKG

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $(find . -type l) ; do ln -s $(readlink $i).gz $i.gz ; rm $i ; done
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/
cp -a CHANGES COPYING FAQ INSTALL INSTALL_BSD README UPGRADE UNINSTALL \
 examples  $PKG/usr/doc/$PRGNAM-$VERSION
cat cron/$PRGNAM > $PKG/usr/doc/$PRGNAM-$VERSION/examples/$PRGNAM.cron
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/etc/rc.d
cat $CWD/rc.$PRGNAM > $PKG/etc/rc.d/rc.$PRGNAM.new

mkdir -p $PKG/install
cat $CWD/doinst.sh > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
